Add some tests

Author: jonaskello

src/index.ts

@@ -3,7 +3,7 @@ export {
   createMatchPath,
   matchFromAbsolutePaths,
   MatchPath
-} from "./match-path";
+} from "./match-path-sync";
 export {
   createMatchPathAsync,
   matchFromAbsolutePathsAsync,

src/match-path.ts src/match-path-sync.ts

@@ -1,4 +1,4 @@
-import { createMatchPath } from "./match-path";
+import { createMatchPath } from "./match-path-sync";
 import { configLoader, ExplicitParams } from "./config-loader";
 
 /**

src/register.ts

@@ -0,0 +1,20 @@
+import { assert } from "chai";
+import { getAbsoluteMappingEntries } from "../src/mapping-entry";
+
+describe("mapping-entry", () => {
+  it("should change to absolute paths and sort in longest prefix order", () => {
+    const result = getAbsoluteMappingEntries("/absolute/base/url", {
+      "*": ["/foo1", "/foo2"],
+      "longest/pre/fix/*": ["/foo2/bar"],
+      "pre/fix/*": ["/foo3"]
+    });
+    assert.deepEqual(result, [
+      { pattern: "longest/pre/fix/*", paths: ["/absolute/base/url/foo2/bar"] },
+      { pattern: "pre/fix/*", paths: ["/absolute/base/url/foo3"] },
+      {
+        pattern: "*",
+        paths: ["/absolute/base/url/foo1", "/absolute/base/url/foo2"]
+      }
+    ]);
+  });
+});

test/mapping-entry-test.ts

@@ -1,5 +1,5 @@
 import { assert } from "chai";
-import { createMatchPath } from "../src/match-path";
+import { createMatchPath } from "../src/match-path-sync";
 import { join } from "path";
 
 describe("match-path", () => {

test/match-path-tests.ts

@@ -0,0 +1,60 @@
+import { assert } from "chai";
+import { getPathsToTry } from "../src/try-path";
+
+describe("mapping-entry", () => {
+  const abosolutePathMappings = [
+    {
+      pattern: "longest/pre/fix/*",
+      paths: ["/absolute/base/url/foo2/bar"]
+    },
+    { pattern: "pre/fix/*", paths: ["/absolute/base/url/foo3"] },
+    { pattern: "*", paths: ["/absolute/base/url/foo1"] }
+  ];
+  it("should return no paths for relative requested module", () => {
+    const result = getPathsToTry(
+      [".ts", "tsx"],
+      abosolutePathMappings,
+      "./requested-module"
+    );
+    assert.deepEqual(result, undefined);
+  });
+
+  it("should return no paths if no pattern match the requested module", () => {
+    const result = getPathsToTry(
+      [".ts", "tsx"],
+      [
+        {
+          pattern: "longest/pre/fix/*",
+          paths: ["/absolute/base/url/foo2/bar"]
+        },
+        { pattern: "pre/fix/*", paths: ["/absolute/base/url/foo3"] }
+      ],
+      "requested-module"
+    );
+    assert.deepEqual(result, undefined);
+  });
+
+  it("should get all paths that matches requested module", () => {
+    const result = getPathsToTry(
+      [".ts", ".tsx"],
+      abosolutePathMappings,
+      "longest/pre/fix/requested-module"
+    );
+    assert.deepEqual(result, [
+      // "longest/pre/fix/*"
+      { type: "file", path: "/absolute/base/url/foo2/bar" },
+      { type: "file", path: "/absolute/base/url/foo2/bar.ts" },
+      { type: "file", path: "/absolute/base/url/foo2/bar.tsx" },
+      { type: "package", path: "/absolute/base/url/foo2/bar/package.json" },
+      { type: "file", path: "/absolute/base/url/foo2/bar/index.ts" },
+      { type: "file", path: "/absolute/base/url/foo2/bar/index.tsx" },
+      // "*"
+      { type: "file", path: "/absolute/base/url/foo1" },
+      { type: "file", path: "/absolute/base/url/foo1.ts" },
+      { type: "file", path: "/absolute/base/url/foo1.tsx" },
+      { type: "package", path: "/absolute/base/url/foo1/package.json" },
+      { type: "file", path: "/absolute/base/url/foo1/index.ts" },
+      { type: "file", path: "/absolute/base/url/foo1/index.tsx" }
+    ]);
+  });
+});